GB0316921D0 - Reader for a scale marking - Google Patents

Reader for a scale marking

Info

Publication number
GB0316921D0
GB0316921D0 GBGB0316921.6A GB0316921A GB0316921D0 GB 0316921 D0 GB0316921 D0 GB 0316921D0 GB 0316921 A GB0316921 A GB 0316921A GB 0316921 D0 GB0316921 D0 GB 0316921D0
Authority
GB
United Kingdom
Prior art keywords
reader
scale marking
marking
scale
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB0316921.6A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renishaw PLC
Original Assignee
Renishaw PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renishaw PLC filed Critical Renishaw PLC
Priority to GBGB0316921.6A priority Critical patent/GB0316921D0/en
Publication of GB0316921D0 publication Critical patent/GB0316921D0/en
Priority to JP2006520886A priority patent/JP2006528343A/en
Priority to US10/561,204 priority patent/US7289042B2/en
Priority to EP04743460A priority patent/EP1646845A1/en
Priority to CNB2004800208466A priority patent/CN100445695C/en
Priority to PCT/GB2004/003122 priority patent/WO2005012841A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G01D5/366—Particular pulse shapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GBGB0316921.6A 2003-07-19 2003-07-19 Reader for a scale marking Ceased GB0316921D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GBGB0316921.6A GB0316921D0 (en) 2003-07-19 2003-07-19 Reader for a scale marking
JP2006520886A JP2006528343A (en) 2003-07-19 2004-07-19 Reader for scale marking
US10/561,204 US7289042B2 (en) 2003-07-19 2004-07-19 Reader for a scale marking
EP04743460A EP1646845A1 (en) 2003-07-19 2004-07-19 Reader for a scale marking
CNB2004800208466A CN100445695C (en) 2003-07-19 2004-07-19 Reader for a scale marking
PCT/GB2004/003122 WO2005012841A1 (en) 2003-07-19 2004-07-19 Reader for a scale marking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0316921.6A GB0316921D0 (en) 2003-07-19 2003-07-19 Reader for a scale marking

Publications (1)

Publication Number Publication Date
GB0316921D0 true GB0316921D0 (en) 2003-08-27

Family

ID=27772300

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0316921.6A Ceased GB0316921D0 (en) 2003-07-19 2003-07-19 Reader for a scale marking

Country Status (6)

Country Link
US (1) US7289042B2 (en)
EP (1) EP1646845A1 (en)
JP (1) JP2006528343A (en)
CN (1) CN100445695C (en)
GB (1) GB0316921D0 (en)
WO (1) WO2005012841A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006247A1 (en) * 2005-02-11 2006-08-17 Dr. Johannes Heidenhain Gmbh Position measuring device
GB0625123D0 (en) * 2006-12-18 2007-01-24 Renishaw Plc Phase contrast encoding
US7965393B2 (en) * 2007-07-24 2011-06-21 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
US7973941B2 (en) * 2007-07-24 2011-07-05 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
DE102007061287A1 (en) * 2007-12-19 2009-06-25 Dr. Johannes Heidenhain Gmbh Position measuring device and method for absolute position determination
GB0819767D0 (en) * 2008-10-28 2008-12-03 Renishaw Plc Absolute encoder setup indication
GB0906258D0 (en) 2009-04-08 2009-05-20 Renishaw Plc Position encoder apparatus
GB0906257D0 (en) 2009-04-08 2009-05-20 Renishaw Plc Position encoder apparatus
ITMI20110562A1 (en) * 2011-04-06 2012-10-07 Comelz Spa PROCEDURE AND POSITION DETECTION DEVICE OF A TRANSPORTATION ORGAN.
JP6113021B2 (en) * 2013-08-09 2017-04-12 株式会社キーエンス Contact displacement meter
ES2882114T3 (en) 2013-10-01 2021-12-01 Renishaw Plc Reference mark detector arrangement
US20160231143A1 (en) 2013-10-01 2016-08-11 Renishaw Plc Position measurement encoder
WO2015049174A1 (en) 2013-10-01 2015-04-09 Renishaw Plc Measurement encoder
US20160258783A1 (en) 2013-11-05 2016-09-08 Renishaw Plc Position measurement encoder calibration
WO2015078860A1 (en) 2013-11-26 2015-06-04 Renishaw Plc Metrological scale
EP3623769A1 (en) * 2018-09-12 2020-03-18 Renishaw PLC Measurement device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560870A (en) * 1983-08-22 1985-12-24 Tokyo Shibaura Denki Kabushiki Kaisha Graticule sensor having a plurality of light detectors
GB9605278D0 (en) * 1996-03-13 1996-05-15 Renishaw Plc Opto-electronic scale reading apparatus
ATE229642T1 (en) 1997-08-07 2002-12-15 Heidenhain Gmbh Dr Johannes SCANNING UNIT FOR AN OPTICAL POSITION MEASURING DEVICE
GB9807020D0 (en) * 1998-04-02 1998-06-03 Bamford Excavators Ltd A method of marking a mechanical element, an encoding scheme, a reading means for said marking and an apparatus for determining the position of said element
GB0103582D0 (en) 2001-02-14 2001-03-28 Renishaw Plc Position determination system
US6816091B1 (en) * 2003-12-18 2004-11-09 Agilent Technologies, Inc. Interpolator

Also Published As

Publication number Publication date
CN100445695C (en) 2008-12-24
US7289042B2 (en) 2007-10-30
JP2006528343A (en) 2006-12-14
EP1646845A1 (en) 2006-04-19
WO2005012841A1 (en) 2005-02-10
CN1826509A (en) 2006-08-30
US20060283035A1 (en) 2006-12-21

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)